From bb5ba44f82812f0b90acb96a0fc2c286f710ec19 Mon Sep 17 00:00:00 2001
From: Gleb Smirnoff <glebius@FreeBSD.org>
Date: Thu, 26 Jul 2007 10:54:33 +0000
Subject: [PATCH] Honor the IFF_MONITOR flag.

PR:		kern/99500
Submitted by:	Craig Leres <leres ee.lbl.gov>
Approved by:	re (kensmith)
---
 sys/netgraph/ng_eiface.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sys/netgraph/ng_eiface.c b/sys/netgraph/ng_eiface.c
index a38abe36470..a47aaddac81 100644
--- a/sys/netgraph/ng_eiface.c
+++ b/sys/netgraph/ng_eiface.c
@@ -234,6 +234,12 @@ ng_eiface_start2(node_p node, hook_p hook, void *arg1, int arg2)
 		 */
 		BPF_MTAP(ifp, m);
 
+		if (ifp->if_flags & IFF_MONITOR) {
+			ifp->if_ipackets++;
+			m_freem(m);
+			continue;
+		}
+
 		/*
 		 * Send packet; if hook is not connected, mbuf will get
 		 * freed.